CN112075422B - Preparation method and production equipment for pesticide preparation - Google Patents
Preparation method and production equipment for pesticide preparation Download PDFInfo
- Publication number
- CN112075422B CN112075422B CN202011139834.2A CN202011139834A CN112075422B CN 112075422 B CN112075422 B CN 112075422B CN 202011139834 A CN202011139834 A CN 202011139834A CN 112075422 B CN112075422 B CN 112075422B
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- fixedly connected
- waste gas
- reaction kettle
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- rod
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- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 239000000575 pesticide Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000002912 waste gas Substances 0.000 claims abstract description 49
- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000005485 electric heating Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000009472 formulation Methods 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000003090 pesticide formulation Substances 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000000361 pesticidal effect Effects 0.000 claims 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/12—Powders or granules
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/08—Granular materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Toxicology (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Plant Pathology (AREA)
- Agronomy & Crop Science (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to the technical field of pesticide manufacture, and provides a preparation method and production equipment for a pesticide preparation, wherein the preparation method comprises a reaction kettle, and is characterized in that: heating chamber fixed surface is connected with the slide rail, slide rail surface swing joint has the telescopic link, telescopic link top fixedly connected with heating wire, heating wire top fixedly connected with fan, the bottom fixedly connected with electro-magnet of roll wheel, reation kettle's surface swing joint has the piston rod, the surface swing joint of piston rod has the piston chamber, the top fixedly connected with check valve of piston intracavity wall, the fixed surface of check valve inner wall is connected with thermistor, the other end fixedly connected with of check valve filters the storehouse, through piston rod at piston intracavity reciprocating motion, it gets into the piston chamber to drive waste gas, filter the interior filter drying back of storehouse again, get into reation kettle again, respond to exhaust gas temperature through thermistor, reinforcing electromagnetism nature, make heating wire and fan be close to the air intake, increase the intake simultaneously.
Description
Technical Field
The invention relates to the technical field of pesticide manufacture, in particular to a preparation method and production equipment for a pesticide preparation.
Background
The pesticide refers to a chemical agent used for preventing and treating plant diseases and insect pests and regulating plant growth in agriculture, and can be divided into the following parts according to the processing dosage form: the processing processes of different formulations are different, and most of the used instruments are different, so that the pesticides with different properties can be produced, and the requirements on the pesticides in different environments can be met.
In pesticide granule production and processing, after granulating the pesticide through the granulator, need carry out dry stoving to the pesticide granule through drying device, detect the granule after will drying again, qualified can pack, however, the waste gas that produces can directly be discharged during the stoving, causes thermal waste, and in addition, when waste gas discharge, can take away the heat in the reation kettle, do not carry out the difference and supply, for this reason, we provide a preparation method and production facility for pesticide preparation.
Disclosure of Invention
In order to solve the technical problems, the invention provides a preparation method and production equipment for a pesticide preparation, which are achieved by the following specific technical means:
a method for preparing a pesticide formulation comprising the steps of:
s1, drying the pesticide particles: when the air current that rotates through the fan and produce passes through the heating wire surface, heat the air that gets into in the reation kettle, utilize high hot air current to carry out the drying to the farmland granule in the reation kettle.
S2, discharging the waste gas and recycling the heat of the waste gas: slide on the reation kettle surface through the piston rod for the piston rod is at piston intracavity reciprocating motion, and drive reation kettle interior waste gas gets into piston intracavity portion through first air duct, flows from the check valve again and carries out waste gas filtration and waste gas drying in getting into the filtration storehouse, and rethread second air duct gets into the top of heated warehouses, and it is inside to get into reation kettle again through the drive of fan.
S3, automatically controlling the temperature in the reaction kettle: waste gas gets into the piston chamber from first air duct after, get into the in-process of filtering the storehouse from the piston chamber again, thermistor responds to waste gas temperature, when waste gas temperature is low excessively, thermistor resistance is less than under the normal condition, the magnetism reinforcing of electro-magnet, two electro-magnets inter attraction, drive through slider and first connecting rod, heating wire and fan move down, be close to the air intake, simultaneously, under the lever action that second connecting rod and supporting block constitute, the push rod is under the drive of supporting block, with the pulling of heating storehouse inner wall to the outside, increase the air intake internal diameter, increase the intake, promote temperature in the reation kettle.
A preparation method for pesticide preparations is provided, and a production device for pesticide preparations is provided, which comprises a reaction kettle, wherein an outer shell is movably connected at the axis of the reaction kettle, a heating bin is fixedly connected to the surface of the outer shell, a slide rail is fixedly connected to the surface of the heating bin, a telescopic rod is movably connected to the surface of the slide rail, an electric heating wire is fixedly connected to the top of the telescopic rod, a fan is fixedly connected to the top of the electric heating wire, a first connecting rod is movably connected to the top of the fan, an elastic rod is fixedly connected to the top of the fan, a slide block is movably connected to the other end of the first connecting rod, a slide rod is movably connected to the side of the slide block, a rolling wheel is fixedly connected to the other side of the slide block, an electromagnet is fixedly connected to the bottom of the rolling wheel, a second connecting rod is movably connected to one side of the electromagnet, a supporting block is movably connected to the surface of the second connecting rod, a push rod is movably connected to the surface of the reaction kettle, the surface of the piston rod is movably connected with a piston cavity, the other end of the piston rod is fixedly connected with a spring, the top of the inner wall of the piston cavity is fixedly connected with a one-way valve, the surface of the inner wall of the one-way valve is fixedly connected with a thermistor, the other end of the one-way valve is fixedly connected with a filter bin, the side surface of the inner wall of the piston cavity is fixedly connected with a first air guide pipe, and the side surface of the filter bin is fixedly connected with a second air guide pipe.
Preferably, the surface of the reaction kettle is provided with arc-shaped teeth, the piston rod is movably connected to the surface of the arc-shaped teeth of the reaction kettle, and the axis of the reaction kettle and the axis of the shell are movably connected through a rotating shaft.
Preferably, the air inlet of the reaction kettle is fixedly connected with the bottom of the heating bin, and the electric heating wire is fixedly connected with the fan through the ventilation pipe.
Preferably, one end of the spring is fixedly connected to the top end of the piston rod, and the other end of the spring is fixedly connected to the top of the inner wall of the piston cavity.
Preferably, one end of the first air duct is fixedly connected to the inner wall surface of the axial center of the reaction kettle, the other end of the first air duct is fixedly connected to the bottom of the side surface of the inner wall of the piston cavity, and one end of the thermistor is fixedly connected to the side surface of the inner wall of the one-way valve.
The invention has the following beneficial effects:
1. the preparation method and the production equipment for the pesticide preparation are characterized in that when air flow generated by rotation of a fan passes through the surface of an electric heating wire, air entering a reaction kettle is heated, farmland particles in the reaction kettle are dried by utilizing high-heat air flow, and then the piston rod slides on the surface of the reaction kettle, so that the piston rod reciprocates in a piston cavity, waste gas in the reaction kettle is driven to enter the piston cavity through a first air duct, then the waste gas flows into a filter bin from a one-way valve to be filtered and dried, and then the waste gas enters the top of the heating bin through a second air duct, and the waste gas enters the reaction kettle again through the driving of the fan, so that the purpose of recycling the heat of the waste gas is achieved.
2. According to the preparation method and production equipment for the pesticide preparation, after waste gas enters a piston cavity from a first air duct, the waste gas enters a filter bin from the piston cavity, the thermistor senses the temperature of the waste gas, when the temperature of the waste gas is too low, the thermistor resistance is lower than that in a normal condition, the magnetism of electromagnets is enhanced, the two electromagnets are mutually attracted, an electric heating wire and a fan move downwards to be close to an air inlet under the driving of a sliding block and a first connecting rod, meanwhile, under the lever action of a second connecting rod and a supporting block, a push rod pulls the inner wall of the heating bin outwards under the driving of a supporting block, the inner diameter of the air inlet is increased, the air inlet amount is increased, the temperature in a reaction kettle is increased, and the purpose of taking away the heat in the reaction kettle for supplementing the waste gas is achieved.
Drawings
FIG. 1 is a schematic view of the structure of a reaction vessel according to the present invention;
FIG. 2 is a schematic view of a heating chamber according to the present invention;
FIG. 3 is a schematic view of a piston chamber configuration of the present invention;
FIG. 4 is a schematic view of a slide rail structure according to the present invention;
FIG. 5 is a schematic view of the support block structure of the present invention.
In the figure: 1. a reaction kettle; 2. a housing; 3. a heating chamber; 4. a slide rail; 5. a telescopic rod; 6. an electric heating wire; 7. a fan; 8. a first link; 9. an elastic rod; 10. a slider; 11. a slide bar; 12. a rolling wheel; 13. an electromagnet; 14. a second link; 15. a support block; 16. a push rod; 17. a piston rod; 18. a piston cavity; 19. a spring; 20. a one-way valve; 21. a thermistor; 22. a filtering bin; 23. a first air duct; 24. a second air duct.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a method for preparing a pesticide formulation includes the following steps:
s1, drying the pesticide particles: when the air current that rotates through fan 7 and produce passes through heating wire 6 surface, heat the air that gets into reation kettle 1, utilize high hot air current to carry out the drying to the farmland granule in reation kettle 1.
S2, discharging the waste gas and recycling the heat of the waste gas: slide on reation kettle 1 surface through piston rod 17 for piston rod 17 is reciprocating motion in piston cavity 18, and drive reation kettle 1 interior waste gas through first air duct 23 get into piston cavity 18 inside, flow from check valve 20 again and get into and filter the storehouse 22 in and carry out waste gas filtration and waste gas drying, rethread second air duct 24 gets into the top of heating storehouse 3, and the drive through fan 7 gets into reation kettle 1 inside again.
S3, automatically controlling the temperature in the reaction kettle 1: after waste gas enters the piston cavity 18 from the first air duct 23, the waste gas enters the filter cabin 22 from the piston cavity 18, the thermistor 21 senses the temperature of the waste gas, when the temperature of the waste gas is too low, the resistance of the thermistor 21 is lower than that in a normal condition, the magnetism of the electromagnets 13 is enhanced, the two electromagnets 13 attract each other, the electric heating wire 6 and the fan 7 move downwards to be close to an air inlet under the driving of the slider 10 and the first connecting rod 8, meanwhile, under the lever action formed by the second connecting rod 14 and the supporting block 15, the push rod 16 pulls the inner wall of the heating cabin 3 outwards under the driving of the supporting block 15, the inner diameter of the air inlet is increased, the air inlet amount is increased, and the temperature in the reaction kettle 1 is increased.
The utility model provides a preparation method for pesticide preparation, now propose a production facility for pesticide preparation, including reation kettle 1, reation kettle 1 surface is provided with the arc tooth, piston rod 17 swing joint is on reation kettle 1's arc tooth's surface, reation kettle 1 and shell 2's axle center department is through a pivot swing joint, reation kettle 1 axle center department swing joint has shell 2, shell 2 fixed surface is connected with heated warehouses 3, heated warehouses 3 fixed surface is connected with slide rail 4, slide rail 4 fixed surface is connected with telescopic link 5, telescopic link 5 top fixedly connected with heating wire 6, 6 top fixedly connected with fans 7 of heating wire, reation kettle 1's air inlet is in the same place with the bottom fixed connection of heated warehouses 3.
This a production facility for pesticide preparation, when the air current that rotates through fan 7 and produce passes through heating wire 6 surface, heats the air that gets into reation kettle 1, utilizes the high hot air current to carry out the drying to the farmland granule in reation kettle 1.
Slide on reation kettle 1 surface through piston rod 17 for piston rod 17 is reciprocating motion in piston cavity 18, and drive reation kettle 1 interior waste gas through first air duct 23 get into piston cavity 18 inside, flow from check valve 20 again and get into and filter the storehouse 22 in and carry out waste gas filtration and waste gas drying, rethread second air duct 24 gets into the top of heating storehouse 3, and the drive through fan 7 gets into reation kettle 1 inside again.
After waste gas enters the piston cavity 18 from the first air duct 23, the waste gas enters the filter cabin 22 from the piston cavity 18, the thermistor 21 senses the temperature of the waste gas, when the temperature of the waste gas is too low, the resistance of the thermistor 21 is lower than that in a normal condition, the magnetism of the electromagnets 13 is enhanced, the two electromagnets 13 attract each other, the electric heating wire 6 and the fan 7 move downwards to be close to an air inlet under the driving of the slider 10 and the first connecting rod 8, meanwhile, under the lever action formed by the second connecting rod 14 and the supporting block 15, the push rod 16 pulls the inner wall of the heating cabin 3 outwards under the driving of the supporting block 15, the inner diameter of the air inlet is increased, the air inlet amount is increased, and the temperature in the reaction kettle 1 is increased.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A preparation method for a pesticide preparation comprises the following steps:
s1, drying the pesticide particles: when air flow generated by rotation of the fan (7) passes through the surface of the electric heating wire (6), air entering the reaction kettle (1) is heated, and farmland particles in the reaction kettle (1) are dried by high-heat air flow;
s2, discharging the waste gas and recycling the heat of the waste gas: the piston rod (17) slides on the surface of the reaction kettle (1) to enable the piston rod (17) to reciprocate in the piston cavity (18) to drive waste gas in the reaction kettle (1) to enter the piston cavity (18) through the first air duct (23), then the waste gas flows through the one-way valve (20) to enter the filtering bin (22) for waste gas filtering and waste gas drying, then the waste gas enters the top of the heating bin (3) through the second air duct (24), and the waste gas enters the reaction kettle (1) again through the driving of the fan (7);
s3, automatically controlling the temperature in the reaction kettle (1): after waste gas enters the piston cavity (18) from the first air duct (23), the waste gas enters the filter bin (22) from the piston cavity (18), the thermistor (21) senses the temperature of the waste gas, when the temperature of the waste gas is too low, the resistance of the thermistor (21) is lower than that in a normal condition, the magnetism of the electromagnets (13) is enhanced, the two electromagnets (13) attract each other, the electric heating wire (6) and the fan (7) move downwards to be close to an air inlet under the driving of the sliding block (10) and the first connecting rod (8), and meanwhile, under the lever action formed by the second connecting rod (14) and the supporting block (15), the push rod (16) pulls the inner wall of the heating bin (3) outwards under the driving of the supporting block (15), so that the inner diameter of the air inlet is increased, the air inlet amount is increased, and the temperature in the reaction kettle (1) is increased.
2. A method for the preparation of a pesticide formulation according to claim 1, now proposing a production plant for a pesticide formulation comprising a reaction vessel (1), characterized in that: the reaction kettle (1) is movably connected with an outer shell (2) at the axis, a heating bin (3) is fixedly connected to the surface of the outer shell (2), a sliding rail (4) is fixedly connected to the surface of the heating bin (3), a telescopic rod (5) is movably connected to the surface of the sliding rail (4), a heating wire (6) is fixedly connected to the top of the telescopic rod (5), a fan (7) is fixedly connected to the top of the heating wire (6), a first connecting rod (8) is movably connected to the top of the fan (7), an elastic rod (9) is fixedly connected to the top of the fan (7), a sliding block (10) is movably connected to the other end of the first connecting rod (8), a sliding rod (11) is movably connected to the side of the sliding block (10), a rolling wheel (12) is fixedly connected to the other side of the sliding block (10), an electromagnet (13) is fixedly connected to the bottom of the rolling wheel (12), and a second connecting rod (14) is movably connected to the side of the electromagnet (13), the surface swing joint of second connecting rod (14) has supporting shoe (15), the other end swing joint of second connecting rod (14) has push rod (16), the surface swing joint of reation kettle (1) has piston rod (17), the surface swing joint of piston rod (17) has piston chamber (18), the other end fixedly connected with spring (19) of piston rod (17), top fixedly connected with check valve (20) of piston chamber (18) inner wall, the fixed surface of check valve (20) inner wall is connected with thermistor (21), the other end fixedly connected with of check valve (20) filters storehouse (22), the first air duct of side fixedly connected with (23) of piston chamber (18) inner wall, the side fixedly connected with second air duct (24) of filtering storehouse (22).
3. The method for preparing a pesticidal formulation according to claim 2, characterized in that: the surface of the reaction kettle (1) is provided with arc-shaped teeth, the piston rod (17) is movably connected to the surface of the arc-shaped teeth of the reaction kettle (1), and the axle center of the reaction kettle (1) and the axle center of the shell (2) are movably connected through a rotating shaft.
4. The method for preparing a pesticidal formulation according to claim 2, characterized in that: the air inlet of the reaction kettle (1) is fixedly connected with the bottom of the heating bin (3), and the electric heating wire (6) is fixedly connected with the fan (7) through the ventilation pipe.
5. The method for preparing a pesticidal formulation according to claim 2, characterized in that: one end of the spring (19) is fixedly connected to the top end of the piston rod (17), and the other end of the spring (19) is fixedly connected to the top of the inner wall of the piston cavity (18).
6. The method for preparing a pesticidal formulation according to claim 2, characterized in that: one end of the first air duct (23) is fixedly connected to the inner wall surface of the axial center of the reaction kettle (1), the other end of the first air duct (23) is fixedly connected to the bottom of the side face of the inner wall of the piston cavity (18), and one end of the thermistor (21) is fixedly connected to the side face of the inner wall of the one-way valve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011139834.2A CN112075422B (en) | 2020-10-22 | 2020-10-22 | Preparation method and production equipment for pesticide preparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011139834.2A CN112075422B (en) | 2020-10-22 | 2020-10-22 | Preparation method and production equipment for pesticide preparation |
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| CN112075422A CN112075422A (en) | 2020-12-15 |
| CN112075422B true CN112075422B (en) | 2021-11-02 |
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| CN202011139834.2A Expired - Fee Related CN112075422B (en) | 2020-10-22 | 2020-10-22 | Preparation method and production equipment for pesticide preparation |
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